浮髌试验不可能出现在：
A．髌骨骨折
B．交叉韧带损伤
C．外侧副韧带损伤
D．膝关节滑膜炎
E．半月板损伤
参考答案：C
I have got my baby ______recently, and I'm going to have Jenny ________it tomorrow.
A．looked after; care about
B．to take good care; care for
C．taken good care of; care for
D．looked after; taken good care of
设来自正态总体X～N（μ，1.52）的样本值：49.7，50.6，51.8，52.4，48.8，51.1，51.2，51.0，51.5。则μ的置信度为0.95的置信区间为（）。
A．[49.92，51.88]
B．[49.7，51.88]
C．[50.6，51.88]
D．[49.92，51.1]
